3142321309 has 4 divisors (see below), whose sum is σ = 3177628380. Its totient is φ = 3107014240.

The previous prime is 3142321291. The next prime is 3142321331. The reversal of 3142321309 is 9031232413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1617809284 + 1524512025 = 40222^2 + 39045^2 .

It is a cyclic number.

It is not a de Polignac number, because 3142321309 - 2¹³ = 3142313117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142321349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17653402 + ... + 17653579.

It is an arithmetic number, because the mean of its divisors is an integer number (794407095).

Almost surely, 2^3142321309 is an apocalyptic number.

It is an amenable number.

3142321309 is a deficient number, since it is larger than the sum of its proper divisors (35307071).

3142321309 is an equidigital number, since it uses as much as digits as its factorization.

3142321309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35307070.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3142321309 is about 56056.4118455686. The cubic root of 3142321309 is about 1464.7051104206.

The spelling of 3142321309 in words is "three billion, one hundred forty-two million, three hundred twenty-one thousand, three hundred nine".